 bilobatus Clark and Campbell 1942.jpg)
Spongurus (Spongurantha) bilobatus Clark and Campbell 1942.jpg
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 bilobatus Clark and Campbell 1942.jpg)
Spongurus (Spongurantha) bilobatus Clark and Campbell 1942.jpg<% linkedspecs %>
Current identification/main database link: Spongurus bilobatus Clark & Campbell 1942
Original Description
Shell generally cylindrical, about 2 and a quarter times longer than wide, with two equal, equally spaced, rounded lobes, forming the two ends, the lobes being each about a fourth of the whole length, and the central region swells from their necks to its widest level at the middle; surface nearly smooth; spongy framework of the same structure throughout the whole except the edges of the midregion which are looser, generally the mesh compact; meshes much wider than the bars.
Length, 220µm; width across the widest part, 90µm; end knobs, 50 by 60µm, their necks, 20µm across. Distinguishing characters (rw): In form this species is like S. phalanga Haeckel (1887) but is somewhat plumper; the latter lacks the terminal lobes.
Editors' Notes
[The authors here lists this species under the subgeneric name Spongurantha and include the subgeneric name in the species name.
Clark, B. L. & Campbell, A. S. (1942). Eocene radiolarian faunas from the Mt. Diablo area, California. Geological Society of America, Special Papers. 39: 1-112. gsReferences:
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Spongurus bilobatus compiled by the radiolaria@mikrotax project team viewed: 7-3-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252621 Go to Archive.is to create a permanent copy of this page - citation notes |